AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

drbd: null dereference bug

Browse Source 
epoch is always NULL here.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
This commit is contained in:
Dan Carpenter 2010-01-23 15:45:22 +03:00 committed by Philipp Reisner
parent 98ec286e01
commit d3db7b485a
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/block/drbd/drbd_receiver.c
View File

@ -1224,7 +1224,7 @@ static int receive_Barrier(struct drbd_conf *mdev, struct p_header *h)
epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);
if (!epoch) {
dev_warn(DEV, "Allocation of an epoch failed, slowing down\n");
issue_flush = !test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags);
issue_flush = !test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags);
drbd_wait_ee_list_empty(mdev, &mdev->active_ee);
if (issue_flush) {
rv = drbd_flush_after_epoch(mdev, mdev->current_epoch);